Because of different incomes there may be substantial differences in net worth (NETWORTH) between male and female (HHSEX: 1 = male, 2 = female) heads of middleclass households. Conduct a test to...

Because of different incomes there may be substantial differences in net worth (NETWORTH) between male and female (HHSEX: 1 = male, 2 = female) heads of middleclass households. Conduct a test to determine whether male heads of middle-class households have higher net worth than female heads of middleclass households.